Home / 656,642.04-906,179.96-370,162.05

Finding the Fourth Proportional to 656,642.04, 906,179.96 and 370,162.05

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Solution

The fourth proportional to 656,642.04, 906,179.96 and 370,162.05 is: 510,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,642.04 : 906,179.96 = 370,162.05 : x
  2. Step 2: Convert to fraction form
    656,642.04/906,179.96 = 370,162.05/x
  3. Step 3: Cross multiply
    656,642.04x = 906,179.96 × 370,162.05
  4. Step 4: Simplify right side
    656,642.04x = 335,433,432,204.85
  5. Step 5: Solve for x
    x = 335,433,432,204.85/656,642.04
  6. Step 6: Final answer
    x = 510,831.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.